CN113753276A - Jolt ramming mechanism capable of reducing packing space of packing bag - Google Patents
Jolt ramming mechanism capable of reducing packing space of packing bag Download PDFInfo
- Publication number
- CN113753276A CN113753276A CN202111043425.7A CN202111043425A CN113753276A CN 113753276 A CN113753276 A CN 113753276A CN 202111043425 A CN202111043425 A CN 202111043425A CN 113753276 A CN113753276 A CN 113753276A
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- mounting seat
- motor mounting
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- reducing
- packaging bag
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 238000012856 packing Methods 0.000 title abstract description 14
- 238000004806 packaging method and process Methods 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims 1
- 238000005056 compaction Methods 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000032369 Primary transmission Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/20—Reducing volume of filled material
- B65B1/22—Reducing volume of filled material by vibration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses a jolt ramming mechanism capable of reducing the packing space of a packing bag, and relates to the technical field of packing. The motor mounting seat comprises a mounting base, through holes are formed in two opposite inner side surfaces of the motor mounting seat, a driving part is arranged in the through holes in a through mode, and a positioning bearing is mounted on the surface of the motor mounting seat; an eccentric rotating body positioned on the inner side of the motor mounting seat is arranged between the two driving rotating pieces, a limiting ring groove is formed in the inner wall of a tubular body at the top of the eccentric rotating body, and the side surface of the periphery of the moving shaft is fixedly connected with a jolt ramming assembly through a guide clamp; the top of the motor mounting seat is fixed with a guide shaft, the peripheral side surface of the linear sliding inner sleeve is connected with a lifting bearing sleeve, the outer surface of the lifting bearing sleeve is provided with two positioning guide grooves, and moving parts are arranged in the positioning guide grooves in a sliding fit mode. The invention can lead the compaction mechanism to obtain higher vibration frequency and larger vibration force, thereby greatly increasing the compaction effect, reducing the space required by the filling of the materials in the packaging bag and realizing the high-efficiency utilization of the internal space of the packaging bag.
Description
Technical Field
The invention belongs to the technical field of packaging, and particularly relates to a jolt ramming mechanism capable of reducing the filling space of a packaging bag.
Background
More and more manufacturers on the market use prefabricated bags for packaging at present, the prefabricated bags are very rich in types, three-edge sealing bags, four-edge sealing bags, M-shaped bags, zipper bags, handle bags, standing bags and the like are arranged, packaged materials are various and have block-shaped, granular, powder, liquid and the like, after the materials are filled into the packaging bags, the flowability of some materials is good, the space in the packaging bags can be fully utilized, the situation that the materials are not accumulated below the bag openings and cannot be sealed subsequently is avoided, however, the ideal situation is rare, more materials which are filled in the early stage cannot well flow to the bottom of the packaging bags, the subsequent materials are blocked at the bag openings, the materials overflow to contaminate equipment or cannot leave enough space for sealing, the sealing process cannot be completed, and the packaging process fails.
The most of the compaction mechanisms used in the market at present are pure air cylinder mechanisms, an air cylinder is adopted to control the upper part and the lower part of a moving part, the air cylinder retracts to the lowest point when the packaging bag is in place, the electromagnetic valve is used for regularly controlling the extension and retraction of the air cylinder after the packaging bag is in place so as to achieve the purpose of compaction, and after the compaction process is finished, the air cylinder retracts, and a compaction cycle is finished. However, the structure has many defects, for example, when the bottom of the packaging bag is long, in order to ensure that the packaging bag does not interfere with the jolting mechanism and smoothly enters a position state, the supporting plate of the jolting mechanism is required to be adjusted to a lower position, so that the jolting mechanism cannot shake the material part and cannot achieve the jolting effect; when the compaction mechanism is required to vibrate the material part, the stroke of the cylinder is increased to be very long, so that the idle stroke in the compaction process is very long, the effective stroke is very short, the effective times and time of compaction are seriously reduced, and the compaction effect is seriously weakened; the cylinder is adopted to drive the jolt ramming mechanism to vibrate up and down, the noise and vibration of the mechanism are very large, the whole packaging machine can shake sometimes, serious noise pollution is brought, and the packaging effect of the packaging machine is seriously influenced.
Disclosure of Invention
The invention aims to provide a jolt ramming mechanism capable of reducing the packing space of a packing bag, which solves the problems that the existing jolt ramming mechanism has small vibration frequency and cannot flexibly adjust the axial center distance between a driving rotating piece and an eccentric rotating body through the design of a three-shaft cylinder, the driving rotating piece, a positioning bearing, the eccentric rotating body, a limiting ring groove, a pushing piece, a guide channel, an adjusting fixing rod and a jolt ramming component, so that the flexible adjustment of the vertical vibration amplitude of the jolt ramming component is realized, and the jolt ramming requirements of different packing bags cannot be well met.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a jolt ramming mechanism capable of reducing the packing space of a packing bag, which comprises an installation base, wherein a three-shaft cylinder is fixedly installed in the installation base, and a motor installation seat is installed at the output end of the three-shaft cylinder; through holes are formed in two opposite inner side surfaces of the motor mounting seat, a driving part is arranged in each through hole in a through mode, a positioning bearing is connected to the outside of each driving part, and each positioning bearing is mounted on the surface of the motor mounting seat; an eccentric rotor positioned on the inner side of the motor mounting seat is mounted between the two driving rotating pieces, a limiting ring groove is formed in the inner wall of a tubular body at the top of the eccentric rotor, a transition connecting body is in sliding fit with the inside of the limiting ring groove, a pushing piece is fixed inside the transition connecting body, the pushing piece is rotationally connected with a fixed pin, the peripheral side surface of the fixed pin is connected with a moving shaft, and the peripheral side surface of the moving shaft is fixedly connected with a jolt assembly through a guide clamp; the motor mounting base top is fixed with the guiding axle, guiding axle week side sliding fit has the linear sliding endotheca, linear sliding endotheca week side is connected with the lift bearing housing, two location guide ways have been seted up to the lift bearing housing surface, the inside sliding fit of location guide way has the motion piece, motion piece sliding connection is in moving axle week side.
Further, a vibration driving motor is mounted on the inner side of the motor mounting seat, and a main transmission synchronous belt wheel located on the outer side of the motor mounting seat is fixed at one end of an output shaft of the vibration driving motor;
a driven synchronous belt pulley is arranged on one side, close to the main transmission synchronous belt pulley, of the motor mounting seat, a tensioning sleeve is fixed on the inner surface of the driven synchronous belt pulley, and the tensioning sleeve is fixedly mounted on the peripheral side surface of the driving part; and a synchronous belt is connected between the main transmission synchronous belt wheel and the driven synchronous belt wheel.
Furthermore, two opposite side surfaces of the eccentric rotating body are provided with guide channels, ear plates are fixed on the same side surfaces of the guide channels of the eccentric rotating body, and the ear plates are rotatably connected with adjusting fixing rods;
the peripheral side surface of the driving piece is provided with a threaded hole, and the threaded hole is in threaded fit with the adjusting fixing rod;
the interior of the guide channel is in sliding fit with one end of the driving piece.
Furthermore, the plain bumper subassembly is including the support frame, the support frame sliding fit is in moving shaft circumference side, and the support frame passes through bolt fixed connection with the guide clamp.
Furthermore, the circumferential side face of the supporting rod on the supporting frame is connected with two movable sliding rings in a sliding mode, and the movable sliding rings are fixed with jolt frames through supporting rods.
Furthermore, an internal thread connecting plate located below the support frame is fixed between the two movable sliding rings, and the internal thread connecting plate is in threaded connection with a rotary driving rod in rotary connection with the support frame.
The invention has the following beneficial effects:
1. the invention can lead the compaction mechanism to obtain higher vibration frequency and larger vibration force, thereby greatly increasing the compaction effect, reducing the space required by the filling of the materials in the packaging bag and realizing the high-efficiency utilization of the internal space of the packaging bag.
2. According to the invention, through the design of the guide channel, the adjusting fixing rod, the threaded hole, the driving rotating part and the eccentric rotating body, the adjusting fixing rod is rotated, and the axial center distance between the driving rotating part and the eccentric rotating body can be adjusted, so that the flexible adjustment of the vertical vibration amplitude of the jolt assembly is realized, the jolt requirements of different packaging bags are met, and the application range of the invention is greatly increased.
3. The invention can ensure that the moving part of the compaction mechanism can be lowered to the lowest point when the compaction mechanism does not need to be compacted, effectively avoid the moving packaging bag, prevent the packaging bag from interfering with the whole mechanism, and simultaneously, the upper and lower positions of the compaction assembly can freely adjust the height according to different bag types, so that the whole mechanism can obtain the best compaction effect when the packaging machine needs to package various bags.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a tamping mechanism for reducing the filling space of a package.
Fig. 2 is a front view of the structure of fig. 1.
Fig. 3 is a side view of the structure of fig. 1.
Fig. 4 is a schematic structural view of fig. 1 from another angle.
Fig. 5 is an enlarged view of a portion of a structure shown in fig. 4.
Fig. 6 is a schematic view of the structure of the eccentric rotary body.
Fig. 7 is a schematic structural diagram of the driving member.
FIG. 8 is a schematic structural diagram of a jolt assembly.
Fig. 9 is a structural schematic diagram of the bottom view angle of fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
1-mounting base, 101-three-shaft cylinder, 102-motor mounting base, 103-driving part, 104-positioning bearing, 105-eccentric rotating body, 106-limiting ring groove, 107-pushing part, 108-fixing pin, 109-moving shaft, 110-guiding clamp, 111-guiding shaft, 112-lifting bearing sleeve, 113-moving part, 114-vibration driving motor, 115-main transmission synchronous pulley, 116-driven synchronous pulley, 117-tensioning sleeve, 118-synchronous belt, 119-guiding groove channel, 120-lug plate, 121-adjusting fixing rod, 122-threaded hole, 2-jolting component, 201-supporting frame, 202-moving sliding ring, 203-jolting frame, 204-internal thread connecting plate, 205-rotating driving rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the invention is a jolt ramming mechanism capable of reducing the packing space of a packing bag, comprising a mounting base 1, wherein a three-axis cylinder 101 is fixedly mounted inside the mounting base 1, and a motor mounting seat 102 is mounted at the output end of the three-axis cylinder 101;
through holes are formed in two opposite inner side surfaces of the motor mounting seat 102, a driving part 103 penetrates through the through holes, a positioning bearing 104 is connected to the outside of the driving part 103, and the positioning bearing 104 is mounted on the surface of the motor mounting seat 102;
an eccentric rotor 105 positioned on the inner side of the motor mounting seat 102 is installed between the two driving rotors 103, a limiting ring groove 106 is formed in the inner wall of a tubular body at the top of the eccentric rotor 105, a transition connector is in sliding fit in the limiting ring groove 106, a pushing piece 107 is fixed in the transition connector, the pushing piece 107 is rotatably connected with a fixing pin 108, the peripheral side of the fixing pin 108 is connected with a movable shaft 109, the peripheral side of the movable shaft 109 is fixedly connected with a jolt assembly 2 through a guide clamp 110, the jolt assembly 2 is driven to vibrate up and down by the up-and-down motion of the movable shaft 109, so that the bottom of a packaging bag filled with materials is vibrated and flapped, the materials in the packaging bag are jolt, and the efficient utilization of the space in the packaging bag is greatly improved;
the top of the motor mounting seat 102 is fixed with a guide shaft 111, the peripheral side surface of the guide shaft 111 is in sliding fit with a linear sliding inner sleeve, the peripheral side surface of the linear sliding inner sleeve is connected with a lifting bearing sleeve 112, the outer surface of the lifting bearing sleeve 112 is provided with two positioning guide grooves, the interior of each positioning guide groove is in sliding fit with a moving part 113, and the moving part 113 is in sliding connection with the peripheral side surface of the moving shaft 109.
Wherein, the inner side of the motor mounting seat 102 is provided with a vibration driving motor 114, and one end of an output shaft of the vibration driving motor 114 is fixed with a main transmission synchronous belt pulley 115 positioned at the outer side of the motor mounting seat 102;
a driven synchronous belt pulley 116 is arranged on one side of the motor mounting seat 102 close to the main transmission synchronous belt pulley 115, a tensioning sleeve 117 is fixed on the inner surface of the driven synchronous belt pulley 116, and the tensioning sleeve 117 is fixedly arranged on the peripheral side surface of the driving part 103; a synchronous belt 118 is connected between the primary transmission synchronous pulley 115 and the passive synchronous pulley 116; the vibration driving motor 114 is started, the vibration driving motor 114 drives the main transmission synchronous pulley 115 to rotate, the driven synchronous pulley 116 is driven to rotate under the coordination of the synchronous belt 118, the eccentric rotor 105 is driven to rotate, then the pushing part 107 drives the moving shaft 109 to vibrate up and down in a reciprocating manner, and therefore the vertical vibration of the jolt ramming assembly 2 is achieved.
Wherein, the opposite two side surfaces of the eccentric rotating body 105 are both provided with a guide channel 119, and the guide channel 119 of the eccentric rotating body 105 is fixed with an ear plate 120 on the same side surface, and the ear plate 120 is rotatably connected with an adjusting fixed rod 121; the circumferential side surface of the driving piece 103 is provided with a threaded hole 122, and the threaded hole 122 is in threaded fit with the adjusting fixing rod 121; the interior of the guide channel 119 is in sliding fit with one end of the driving and rotating piece 103; by rotating the adjusting fixing rod 121, the distance between the axes of the driving rotating member 103 and the eccentric rotating body 105 is realized by utilizing the thread matching effect of the adjusting fixing rod 121 and the thread hole 122 on the driving rotating member 103, so that the flexible adjustment of the vertical vibration amplitude of the jolt ramming assembly 2 is realized, the jolt ramming requirements of different packaging bags are met, and the application range of the invention is greatly enlarged.
The jolt ramming assembly 2 comprises a support frame 201, the support frame 201 is in sliding fit with the peripheral side surface of the moving shaft 109, and the support frame 201 is fixedly connected with the guide clamp 110 through bolts;
the circumferential side surface of the supporting rod on the supporting frame 201 is connected with two movable slip rings 202 in a sliding manner, and the movable slip rings 202 are fixed with jolt frames 203 through supporting rods;
be fixed with the female connection board 204 that is located support frame 201 below between two removal sliding rings 202, female connection board 204 threaded connection has the rotatory actuating lever 205 of being connected with support frame 201 rotation, through rotating rotatory actuating lever 205, can carry out the nimble regulation of the position of plain bumper 203 on support frame 201, satisfies the needs of different wrapping bag plain bumper.
The working principle of the embodiment is as follows: when the jolt ramming mechanism works, one working cycle is divided into four steps:
the three-shaft cylinder 101 retracts, and the vibration driving motor 114 stops rotating, namely the initial position;
retracting the three-axis cylinder 101, starting the vibration driving motor 114, and waiting for the packaging bag to be in place, namely, at a low point;
after the packaging bag is in place, the three-axis cylinder 101 extends out, the vibration driving motor 114 is started, and the compaction mechanism starts to vibrate, namely the compaction position;
after the set time is reached, the packaging bag moves out of the jolt position, the three-shaft cylinder 101 retracts, the vibration driving motor 114 stops rotating, the whole mechanism returns to the initial position, and one working cycle is finished.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a can reduce plain bumper mechanism in wrapping bag filler space which characterized in that: the motor mounting device comprises a mounting base (1), wherein a three-shaft cylinder (101) is fixedly mounted in the mounting base (1), and a motor mounting seat (102) is mounted at the output end of the three-shaft cylinder (101);
through holes are formed in two opposite inner side surfaces of the motor mounting seat (102), a driving part (103) penetrates through the through holes, a positioning bearing (104) is connected to the outside of the driving part (103), and the positioning bearing (104) is mounted on the surface of the motor mounting seat (102);
an eccentric rotor (105) located on the inner side of the motor mounting seat (102) is mounted between the two driving pieces (103), a limiting ring groove (106) is formed in the inner wall of a tubular body at the top of the eccentric rotor (105), a transition connecting body is in sliding fit with the limiting ring groove (106), a pushing piece (107) is fixed inside the transition connecting body, the pushing piece (107) is rotatably connected with a fixing pin (108), the peripheral side of the fixing pin (108) is connected with a moving shaft (109), and the peripheral side of the moving shaft (109) is fixedly connected with a jolt ramming assembly (2) through a guide clamp (110);
motor mount pad (102) top is fixed with guiding axle (111), guiding axle (111) week side sliding fit has the linear sliding endotheca, linear sliding endotheca week side is connected with lift bearing cover (112), two location guide slots have been seted up to lift bearing cover (112) surface, the inside sliding fit of location guide slot has motion piece (113), motion piece (113) sliding connection is in moving axis (109) week side.
2. The jolting mechanism capable of reducing the filling space of the packaging bag according to claim 1, wherein a vibration driving motor (114) is installed on the inner side of the motor installation seat (102), and a main transmission synchronous pulley (115) positioned on the outer side of the motor installation seat (102) is fixed at one end of an output shaft of the vibration driving motor (114);
a driven synchronous belt wheel (116) is arranged on one side, close to a main transmission synchronous belt wheel (115), of the motor mounting seat (102), a tensioning sleeve (117) is fixed on the inner surface of the driven synchronous belt wheel (116), and the tensioning sleeve (117) is fixedly mounted on the peripheral side surface of the driving and rotating part (103); a synchronous belt (118) is connected between the main transmission synchronous pulley (115) and the driven synchronous pulley (116).
3. The jolting mechanism capable of reducing the filling space of the packaging bag according to claim 2, wherein two opposite side surfaces of the eccentric rotating body (105) are respectively provided with a guide channel (119), an ear plate (120) is fixed on the same side surface of the guide channel (119) of the eccentric rotating body (105), and the ear plate (120) is rotatably connected with an adjusting fixing rod (121);
a threaded hole (122) is formed in the peripheral side face of the driving piece (103), and the threaded hole (122) is in threaded fit with the adjusting fixing rod (121);
the interior of the guide channel (119) is in sliding fit with one end of the driving and rotating piece (103).
4. The jolting mechanism capable of reducing the filling space of the packaging bag according to claim 3, wherein the jolting assembly (2) comprises a supporting frame (201), the supporting frame (201) is in sliding fit with the peripheral side surface of the moving shaft (109), and the supporting frame (201) is fixedly connected with the guide clamp (110) through a bolt.
5. A jolting mechanism capable of reducing the filling space of a packaging bag according to claim 4, characterized in that two moving sliding rings (202) are slidably connected to the circumferential side of the supporting rod on the supporting frame (201), and the jolting frame (203) is fixed on the moving sliding rings (202) through supporting rods.
6. A jolting mechanism capable of reducing the filling space of a packaging bag according to claim 5, wherein an internal thread connecting plate (204) positioned below the supporting frame (201) is fixed between the two moving sliding rings (202), and the internal thread connecting plate (204) is in threaded connection with a rotating driving rod (205) rotatably connected with the supporting frame (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043425.7A CN113753276A (en) | 2021-09-07 | 2021-09-07 | Jolt ramming mechanism capable of reducing packing space of packing bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043425.7A CN113753276A (en) | 2021-09-07 | 2021-09-07 | Jolt ramming mechanism capable of reducing packing space of packing bag |
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| CN113753276A true CN113753276A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111043425.7A Pending CN113753276A (en) | 2021-09-07 | 2021-09-07 | Jolt ramming mechanism capable of reducing packing space of packing bag |
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| CN209717384U (en) * | 2019-02-26 | 2019-12-03 | 江西瑞冠精密铸造有限公司 | A kind of precision casting adjustable clamping device |
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| CN210793707U (en) * | 2019-10-31 | 2020-06-19 | 青岛倍特机械科技有限公司 | Motor cylinder bag-ejecting mechanism |
| CN212093211U (en) * | 2019-10-17 | 2020-12-08 | 湖北永燃机械制造股份有限公司 | Amplitude-adjustable vibration device |
| CN213595212U (en) * | 2020-08-26 | 2021-07-02 | 许利峰 | Weighing device convenient for mechanical metering and loading |
| CN214001733U (en) * | 2020-12-23 | 2021-08-20 | 青岛科技大学 | Multifunctional carrying trolley |
-
2021
- 2021-09-07 CN CN202111043425.7A patent/CN113753276A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016003052A (en) * | 2014-06-19 | 2016-01-12 | ゼネラルパッカー株式会社 | Vibration device |
| CN209717384U (en) * | 2019-02-26 | 2019-12-03 | 江西瑞冠精密铸造有限公司 | A kind of precision casting adjustable clamping device |
| CN110622838A (en) * | 2019-09-20 | 2019-12-31 | 徐州慧博纺织有限公司 | Farmland truss-like sprinkling irrigation machine |
| CN212093211U (en) * | 2019-10-17 | 2020-12-08 | 湖北永燃机械制造股份有限公司 | Amplitude-adjustable vibration device |
| CN210793707U (en) * | 2019-10-31 | 2020-06-19 | 青岛倍特机械科技有限公司 | Motor cylinder bag-ejecting mechanism |
| CN213595212U (en) * | 2020-08-26 | 2021-07-02 | 许利峰 | Weighing device convenient for mechanical metering and loading |
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